{"vulnerability": "CVE-2026-13491", "sightings": [{"uuid": "eaabe489-01ac-49c3-aa86-41480d4a6fb9", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-13491", "type": "seen", "source": "https://bsky.app/profile/offseq.bsky.social/post/3mpdwfbf4nu2m", "content": "78 xiaozhi-esp32 (v2.2.0 \u2013 2.2.6) hit by MEDIUM DoS vuln via MQTT Goodbye Handler. Remote exploit possible \u2014 patch with commit e182471f8c5a. https://radar.offseq.com/threat/cve-2026-13491-denial-of-service-in-78-xiaozhi-esp-7a05af4bbbaaa50e #OffSeq #IoTSecurity #DenialOfService", "creation_timestamp": "2026-06-28T12:00:29.354297Z"}, {"uuid": "892e329b-6afb-4e24-ae33-6de0b4c575bc", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-13491", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mpe6ioa6em2y", "content": "CVE-2026-13491 - 78 xiaozhi-esp32 MQTT Goodbye mqtt_protocol.cc GetInstance denial of service\nCVE ID : CVE-2026-13491\n \n Published : June 28, 2026, 11:15 a.m. | 2\u00a0hours, 30\u00a0minutes ago\n \n Description : A vulnerability was detected in 78 xiaozhi-esp32 up to 2.2.6. This vulnerab...", "creation_timestamp": "2026-06-28T14:25:32.566398Z"}]}